Science Topics term usage 2008-12-31

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

1108	earthquakes
483	earthquake occurrences
366	volcanoes
102	maps and atlases
69	real-time monitoring and reporting
41	mineral resources
40	topographic maps
40	USGS map servers
37	energy resources
35	climate change
29	remote sensing
28	earthquake probabilities
27	floods
27	ground water
27	surface water (non-marine)
26	seismology
25	volcanic activity
24	water quality
24	geospatial analysis
23	avian influenza
19	invasive species
16	contamination and pollution
16	environmental health (human)
14	droughts
13	geologic maps
9	fires
9	hydrology
9	acid deposition
8	USGS budget
7	California
7	Wyoming
6	natural gas resources
6	tectonic processes
6	stream-gage measurement
6	rocks and deposits
6	ground-water quality
6	oil resources
6	USGS maps on demand
5	streamflow
5	sea-floor characteristics

Science Topics term usage Wednesday, 2008-12-31